Home / 320,774.13-481,156.16-110,413.89

Finding the Fourth Proportional to 320,774.13, 481,156.16 and 110,413.89

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Solution

The fourth proportional to 320,774.13, 481,156.16 and 110,413.89 is: 165,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,774.13 : 481,156.16 = 110,413.89 : x
  2. Step 2: Convert to fraction form
    320,774.13/481,156.16 = 110,413.89/x
  3. Step 3: Cross multiply
    320,774.13x = 481,156.16 × 110,413.89
  4. Step 4: Simplify right side
    320,774.13x = 53,126,322,770.99
  5. Step 5: Solve for x
    x = 53,126,322,770.99/320,774.13
  6. Step 6: Final answer
    x = 165,619.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.